Image enhancement using Bi-Histogram Equalization with adaptive sigmoid functions. - Edgar F. Arriaga-Garcia; Raúl Enrique Sánchez-Yáñez; Ma. de Guadalupe García-Hernández (CONIELECOMP, 2014)

Adaptive sigmoid function bihistogram equalization for image contrast enhancement. - Edgar F. Arriaga-Garcia; Raúl Enrique Sánchez-Yáñez; José Ruiz-Pinales; Ma. de Guadalupe García-Hernández (J. Electronic Imaging, 2015)